#A6B31B#A6B31B

#A6B31B is a light, vivid yellow. Relative luminance 0.404; OKLCH L 73.2% C 0.160 H 115.0°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#A6B31B
RGB	rgb(166, 179, 27)
HSL	hsl(65, 74%, 40%)
HSV	hsv(65, 85%, 70%)
CMYK	cmyk(7.3%, 0%, 84.9%, 29.8%)
CIE-LAB	lab(69.77, -21.71, 67.19)
CIE-LCH	lch(69.77, 70.61, 107.91°)
OKLab	oklab(73.2% -0.0673 0.1446)
OKLCH	oklch(73.2% 0.16 115)
XYZ	xyz(32.0448, 40.4269, 7.1518)
Luminance	0.4043 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6B31B #281BB3

analogous

#B3741B #A6B31B #5AB31B

triadic

#A6B31B #1BA6B3 #B31BA6

tetradic

#A6B31B #1BB374 #281BB3 #B31B5A

square

#A6B31B #1BB374 #281BB3 #B31B5A

split-complementary

#A6B31B #1B5AB3 #741BB3

monochromatic

#43490B #757E13 #A6B31B #D0DF2C #DCE761

Accessibility & contrast

On white

2.31

#A6B31B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#A6B31B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A6B31B

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6B31B	#FFFFFF	#000000	##000000
##A6B31B	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1A900

Deuteranopia (green-blind)

#C0AC2C

Tritanopia (blue-blind)

#B1A899

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a6b31b;
/* rgb */ color: rgb(166, 179, 27);
/* oklch */ color: oklch(73.2% 0.160 115.0);

Tailwind

colors: {
  custom: {
    50: '#c4c969',
    500: '#a6b31b',
    950: '#000000',
  },
}

SCSS

$custom: #a6b31b;
$custom-light: #c4c969;
$custom-dark: #000000;

JSON

{
  "hex": "#a6b31b",
  "rgb": {
    "r": 166,
    "g": 179,
    "b": 27
  },
  "hsl": {
    "h": 65.132,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.73201,
    "c": 0.1595,
    "h": 115
  },
  "luminance": 0.40426
}

Semantic roles & 50–950 ramp

primary

#A6B31B

secondary

#675ECC

accent

#37F047

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A6B31B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →